A fish tank has 6 fishes. 1 of them have red fins and others have blue fins. How many fishes have blue fins?
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Bill has to clean 8 windows. He has cleaned 1 of them. How many are still left to be cleaned?
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My mom orders 8 pizza slices. We ate 2 slices. How many slices are left?
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Joanna is allowed to talk only for 9 minutes to her friend. She has already talked for 7. How many more minutes Joanna can talk?
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I have 6 dollars with me. I bought a toy car for 4 dollars. How many dollars I have left?
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